On 02/08/2012 10:23 PM, Darrell Anderson wrote: > The best I have conceived is "primary" and "secondary" buttons. Yet I realize some people might find those terms confusing too. Primary and secondary work. Click, depress? 'Select' is what the mouse does to an object, not really what you do to the mouse.. From the technical writing standpoint it is almost useful to have an intro or synopsis at the beginning. Something along the lines of. The following reference will use the terms X, Y, Z to refer to the mouse buttons which control axis-1, axis-2, ... On a typical right-hand mouse configuration the left-button is primary, the right-button is secondary, etc.. What you will run up against are the non-technical terms frequently used in mouse operations, i.e. click, shift-click, click & hold, click & drag, right-click, etc.. There is just no easy off-the-shelf set of terms that properly refer to that. Good luck Darrell, glad you're on it :) -- David C. Rankin, J.D.,P.E.